Just a hair over 30 months prison at the bottom. Depending on the charges, there may be potential ways to "depart" or get substantially lower then that.
If the total sentencing points are 69, you subtract 28 points, multiply by .75 and your baseline prison sentence will be 48 months.
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As already explained, 69 points equals 30.75 months prison. However, that is not a guarantee that the person will go to prison. You should speak with a criminal defense attorney to discuss all options like a departure from the guidelines.